High-Performance UV Absorber 531: Enhancing Polymer Durability for Industrial Applications
Discover the superior UV protection capabilities of UV Absorber 531. As a leading manufacturer and supplier, we provide high-quality solutions to enhance the lifespan and performance of your plastic, coating, and rubber products against damaging UV radiation. Get a competitive quote and samples today.
Get a Quote & SampleSuperior Polymer Protection Against UV Degradation

UV Absorber 531 (Octabenzone)
As a trusted supplier and manufacturer in China, we offer UV Absorber 531 (CAS: 1843-05-6), a highly effective benzophenone-class ultraviolet light absorber. It expertly absorbs UV radiation from 240-340 nm, significantly preventing polymer degradation, color loss, and yellowing. Our commitment to quality ensures that purchasing from us provides reliable, high-purity material to meet your specific industrial needs.
- Effective UV Spectrum Absorption: Protects polymers from damaging 240-340 nm UV light, a critical factor for product longevity.
- Enhanced Material Durability: Delays yellowing and preserves physical properties, ensuring consistent performance.
- Broad Polymer Compatibility: Seamlessly integrates with PE, PVC, PP, PS, PC, and other critical polymers.
- Superior Thermal Stability: Maintains integrity during high-temperature processing, a key benefit for manufacturers.
Key Advantages of Our UV Absorber 531
Exceptional UV Protection
UV Absorber 531 offers robust protection across the critical UV spectrum, making it an essential additive for extending the service life of plastics and coatings. When you buy our product, you invest in enduring quality.
Processing Efficiency & Low Volatility
With low volatility and excellent compatibility, this UV absorber minimizes loss during processing and reduces the risk of blooming, ensuring optimal performance and finish for your final products. We are a reliable manufacturer providing these benefits.
Synergistic Performance with HALS
Often used in conjunction with Hindered Amine Light Stabilizers (HALS), UV Absorber 531 provides a comprehensive light stabilization package, maximizing protection for demanding applications. Inquire about bulk pricing for this high-performance supplier solution.
Versatile Applications Across Industries
Plastics Manufacturing
Essential for polyolefins (PE, PP), PVC, PS, and PC, providing superior weathering resistance for packaging, automotive parts, and construction materials. Explore bulk purchase options from our China-based supplier.
Coatings and Varnishes
Enhances the light stability of dry phenolic and alkyd varnishes, polyurethanes, acrylics, and epoxies, including automotive finishes and powder coatings. Contact us for a quote on industrial-grade UV absorber.
Rubber Products
Protects rubber goods from UV-induced degradation, ensuring longevity and consistent physical properties in diverse applications. We are your go-to manufacturer for specialized rubber auxiliaries.
Synthetic Fibers
Ideal for polypropylene fibers and ethylene-vinyl acetate, maintaining integrity and appearance under UV exposure. Purchase high-purity UV Absorber 531 from our extensive stock.